Voting in IdahoSame-day registration

How to vote in Idaho in 2026

Every deadline, rule, and official link — kept simple. When you're ready, build a personal plan with calendar reminders in about a minute.

Make your Idaho plan

Key dates

State Primary: Tuesday, May 19, 2026
General Election: Tuesday, November 3, 2026
Register online by: Friday, October 23, 2026
Register by mail by: Friday, October 23, 2026(received)
Register in person by: Tuesday, November 3, 2026
Request a mail ballot by: Friday, October 23, 2026

Deadlines shown are for the November 3, 2026 general election.

Register to vote

Online: 25 days before Election Day. By mail: Postmarked 25 days before Election Day. In person: 25 days before Election Day. Same-day registration available.

Online — the fastest way
A few minutes on the official site.
Register online in Idaho
By mail
Print, sign, and mail the National Mail Voter Registration Form.
Get the national form (PDF)
In person
At your local election office — or same-day at the polls.
Idaho election office

Already registered? Double-check.

Moved, changed your name, or just not sure? Check your registration status

Vote by mail

Any registered voter can vote by mail in Idaho. Received by 5pm 11 days before Election Day

Returning it: Received by 8pm on Election Day.

Request your Idaho mail ballot

Vote in person

Vote early where available (dates vary by county), or at your polling place on Election Day — Tuesday, November 3, 2026.

Find your polling place Idaho election office See what's on your ballot

Quick answers

Can I register to vote online in Idaho?

Yes — Idaho has official online registration (deadline: Friday, October 23, 2026 for the general election). It usually takes a few minutes.

Do I need an excuse to vote by mail?

No — any registered voter in Idaho can request a mail ballot, no excuse needed.

Can I register on Election Day?

Yes — Idaho offers same-day registration. Online: 25 days before Election Day. By mail: Postmarked 25 days before Election Day. In person: 25 days before Election Day. Same-day registration available.

When are the 2026 elections?

State Primary: Tuesday, May 19, 2026 · General Election: Tuesday, November 3, 2026

Turn this into your plan

Three questions, then every Idaho deadline lands on your calendar with reminders.

Make your voting plan

Compiled from official state sources, vote.gov, and Ballotpedia (2026 calendars). Rules occasionally change — when it matters, confirm with the Idaho election office. Found an error? Tell us.